CAJ | 학술논문

以新丰抗90白菜种子为试验材料，在1000×g、2000×g、4000×g 3种不同超重力的条件下分别处理20、40、60 min后，幼苗期采取叶片测定其游离脯氨酸含量、过氧化物酶活性、超氧化物歧化酶活性。结果显示，2000×g，40 min处理游离普氨酸含量最低；4000×g，60 min 处理游离脯氨酸含量最高，与对照相比，所有处理均抑制游离普氨酸的形成。1000×g，20 min处理后的 POD活性最高；2000×g，60 min处理后的 POD活性最低，但高于对照，超重力处理能显著提高 POD活性。1000×g，40 min处理 SOD活性最高，4000× g，60 min处理SOD活性最低，适宜的超重力处理有利于提高 SOD活性。
이신봉항90백채충자위시험재료，재1000×g、2000×g、4000×g 3충불동초중력적조건하분별처리20、40、60 min후，유묘기채취협편측정기유리포안산함량、과양화물매활성、초양화물기화매활성。결과현시，2000×g，40 min처리유리보안산함량최저；4000×g，60 min 처리유리포안산함량최고，여대조상비，소유처리균억제유리보안산적형성。1000×g，20 min처리후적 POD활성최고；2000×g，60 min처리후적 POD활성최저，단고우대조，초중력처리능현저제고 POD활성。1000×g，40 min처리 SOD활성최고，4000× g，60 min처리SOD활성최저，괄의적초중력처리유리우제고 SOD활성。
The Chinese cabbage seed used in this study was Xinfengkang 90. The tested seeds were treated with 1 000×g, 2 000×g and 4 000×g of hypergravity for 20, 40 and 60 min respectively. The Chinese cabbage leaves were col ected at the early seedling stage for the determination of free proline content, POD activity and SOD activity. The results showed the free proline content was lowest in the seeds treated with 40-min 2 000-g gravity, while it was highest for the 60-min 4 000-g gravity treatment. Compared to the control, al the hypergravity treatments inhibited the synthesis of free proline. The POD activity was highest in the seeds treated with 20-min 1 000-g gravity, while it was lowest in the seeds treated with 60-min 2 000-g gravity. Considering the SOD activity, the 40-min 1 000-g gravity treatment was highest, and the 60-min 4 000-g gravity treatment was lowest. lt was indicated that appropriate hypergravity treatment was conducive to increasing the SOD activity.